US2682693A

US2682693A - Molding clip

Info

Publication number: US2682693A
Application number: US315910A
Authority: US
Inventors: Poupitch Ougljesa Jules
Original assignee: Illinois Tool Works Inc
Current assignee: Illinois Tool Works Inc
Priority date: 1952-10-21
Filing date: 1952-10-21
Publication date: 1954-07-06
Anticipated expiration: 1971-07-06

Description

July 6, 1954 o. J. PouPlTcH MOLDING CLIP Filed Oct. 21, 1952 MMM ya Patented July 6,A 1954 2,682,693 MoLDING om Ougljesa Jules Poupitch, Chicago, Ill., assignor to y Illinois Tool Works, Chicago, Ill., a corporation of Illinois Application October-21, 1952, Serial No. 315,910

6 Claims.

The present invention relates to a fastener, and more particularly to a fastener of the type adapted to secure a molding to a workpiece.

In the past, numerous types of fasteners have been employed to secure moldings, and these prior art fasteners have been subject to several disadvantages, which disadvantages include inadequate holding power of the fastener to the work piece, especially when such fasteners are utilized to mount decorative moldings on automobile panels, which are subjected to road In addition, it has often been diiiicult shocks. to assemble prior art fasteners with the work piece, and it has been difficult and expensive to manufacture such prior art devices.

An object of the present invention is to provide a novel fastener which maybe quickly and economically manufactured from sheet material by utilizing simple bending and stamping processes.

Another object of the present invention is to provide a novel fastener of the above described type, which fastener includes [improved means for positively and securely gripping 4the work piece, so that the holding. power. ofV the fastener is substantially increased.

Still another object of this invention is to provide a novel fastener having the above described characteristics, which novel fastener may be quickly and easily assembled with a work piece. y

A. more specific object of this invention is to provide a novel fastener of the above described type, which fastener is formed so that a simple tool may be readily applied thereto for securing the fastener to a work piece.

Other objects and advantages of the present invention will become apparent from the following descrpition and the accompanying drawings, wherein:

Fig. 1 is a perspective View, showing a molding mounted on a work piece by a novel fastener which embodies the principles of this invention;

Fig. 2 is a vertical cross section taken along line 2 2 in Fig. l; l

Fig. 3 is a vertical cross section taken along the same line as Fig. 2 and shows the novel fastener of this invention in an intermediate stage of assembly with a work piece;

Fig. 4 is a plan view of the novel fastener of this invention;

Fig. 5 isa cross section taken along line 5-5 in Fig. 4; and l Fig. 6 is a cross section taken along line 6-.-6 in Fig. 4. Y

Referring now more specifically to the drawings, wherein like parts are designated by the same numerals throughout the various figures, a fastener I0 involving the principles of this invention is shown best in Figs. l and 4. The fastener l0 is preferably constructed of an integral sheet material blank, which blank may be of any suitable material, such as steel.

The fastener Ill includes a body section or member I2 which is preferably in the form of an elongated rectangle. A tongue or linger I4 is struck from. the body vsection adjacent one end thereof for a purpose to be described more fully below. Preferably, Vthe finger i4 is formed with a transverse'concavo-convex cross section in order to increasethe rigidity thereof. As shown in Figs. 2, 3, 4, and 5, a short bead I6 is formed so that it extends longitudinally of the finger and across the junction line I8 of the finger and the body section to reinforce this junction.

Adjacent the end of the body section, opposite from the finger M, material is struck from the .body section and formed to provide a securing uunitVZll. TheY securing unit includes apar of wings A22 and 24,*.which are'joined together by a foldable cross section 25, as shown best' in Figs. 4 and 6. The foldable crosssection 21S is integrally joined to the body section along bend line 28,'.so that the securing unit may be folded from the open position shown in dotted lines in Fig; 2 to the closed securing position shown in solidlines in Fig. 2. As shown best in Fig. 3, the wing 24 is` provided with a work piece engaging edge A30 which faces inwardly toward the mid portion of the body section. This work piece engaginggedge is formed so that it is in-y clined at an acute angle to the plane of the foldable cross section 2S of the securing unit so that when the securing unit is in the open position shown in Fig. 3, Vthe work piece engaging edge 30 extends forwardly or outwardly away from the mid portion of the body section, and when the securing unit isin the closed position shown in Fig. 2, the edge 3% extends inwardly toward the mid portion of the body section. The wing 22 is provided with a work piece engaging edge which is constructed and arranged similarly to the edge 30. It should be noted that the wings are formed so that their lower Vedges are curved in a manner whereby the distance the wings extend from the foldable cross section 26 increases from the outer free end ofthe cross sectionl to the inner end thereof. By this structure, the materialv required to be struck from the body 3 section I2 is reduced, and, in addition, the size of an aperture in a Work piece through which the wings extend, as described more fully here-- inbelow, may be reduced to a minimum.

A work piece 32 to which the fastener of this invention may be secured is shown best in Figs. 1, 2, and 3. This work piece is provided with a pair of spaced

apertures

34 and 36 adapted to receive the securing finger I4 and the securing

wings

22 and 24 of the fastener. In the illustrated embodiment of this invention, the Work' piece 32 is shown as a curved portion of an auto-A mobile body panel, and, therefore, the body section of the fastener is curved to-conformwith the work piece. However', it should be understood that the body section of the fastener may be substantially nat and thatthe fastener mayA be applied to a substantially flat work p iece.

When mounting the fastener of this inventionL to the work piece, the securing unit is first moved to theopen position shown in Fig. 3 and in dotted lines in Fig. 2. However, itrshould be understood that as a practical matter, the fasteners will generally be sent'to the consumer with the securing units already deformed or moved to the open position. The nger I4 is then inserted through the aperture 34 in the work piece until the convex side of the finger engages the edge of the aperture. It should be noted that the finger extends inwardly yfrom itsfccnnection with the body section or member I2 toward the mid section of the body section so that the finger hooks beneath the under surface of the work piece. The securing unit 2i) is then deformed or bent to the closed position, which movement causes the work piece engaging edges of the ngers to move generally toward the fmger I4 and engage the edge of the aperture 36 so that the work piece is securely clamped between the nger I4 and the work piece engaging edges of the wings. It should be noted that the finger and the edges of the two wingsrprovide a threepoint clamping contact with the work piece so that any possibility of the fastener slipping relative to the work piece is substantially eliminated.

In order to enable the securing unit 20 to be quickly and easily deformed inwardly towards its closed position by means of a simple straight tool, such as the tool 38, a cowl-like'protuberance 40 is struck outwardly from a mid portion of the body section. The cowl-like protubera-nce 40 is' provided with an open mouth 42 through which the end of the tool may be inserted. Then by pressing down on the tool, the tool pivots about its end, which is anchored within the cowl-like protuberance 40 to force the securing unit 20 downwardly. It should be noted that the cross section 26 of the securing unit is provided with a raised abutment means'or bead 44for engagement by the tool 28. This bead 44 not only strengthens the portion of the cross section 20 to which pressure is applied by the tool, but also enables the securing unit to be forced inwardly until the cross section lies below the plane of the body section I2, as shown in Fig. 2, whereby to assure a secure clamping action by the wings.

After the fastener has been. secured to the work piece, a molding 46 having inturned

anges

48 and 50 along its longitudinal edges is snapped onto the fastener. In order to retain the molding, one end of the body section is formed with an upturned and outwardly extending flange 52which is adapted to overlie the inturned flange 50; of the molding. The flange 52 terminatesin an upwardly 'and inwardly directed. hooky portion .54

aesaeoa which is adapted to guide the flange 50 of the molding over the end of the fastener flange 52 and into the desired secured position. The opposite end of the fastener is provided with a similar molding securing flange which includes an upwardly and outwardly extending portion 56 and an upwardly and inwardly extending terminal hook portion 58.y

The fastener of this invention'is preferably constructed from an integral blank of relatively soft sheet steel. In order to provide sufficient rigidity to the back section I2, it is desirable to form the longitudinal marginal portions of the back section intov outturned rigidifying flanges IIl` and 62,v as shown best in Figs. 5 and 6.

From the above' description, it is seen that the present invention provides a novel fastener which may be easily and economically manufactured from an integral blank of sheet material by means of simple stamping and bending operations. Furthermore, it may be seen that because of the particular` formation of the work engaging edges of the wings, the fastenermay be quickly and easily applied to the work piece and thereafter securely` clamped to the work piece. In addition, it should be noted that the work piece engaging surfaces of the ngers and the wings work so as to pull or clamp the body section or member I2 of the fastener against the portion of the work piece disposed;between theapertures, thereby toreinforce said portion of the work piece between the apertures. It may also be seen that because of the novel formation of the improved fastener of this invention, the securing unit 20 may be readily deformed into clamping position by means of a pressing action provided by a simple tool and without any pounding, which might injure a work piece suchas a relatively thin panel of an automobile.

While the preferred embodiment of the .present'invention has been shown and described herein, it is obvious that many changes may be made in the structural details of the illustrated fastener without departing from the spirit and scope ofthe appended claims.

I claim:

l; A one piece fastener for mounting on a work piece, comprising a sheet material body member, a finger-like projection struck. from said body member and extending laterally therefrom, securing means struck from said body member, said securing means including a foldable section integrally joined with said body member along a bend line and extending from saidbend line away fromsaid inger-like projection and adaptedto be-.moved from an open position extending laterally from a side of sai body member opposite said projection toward a closed position generally in the plane of said body member, and a wing-like element projecting laterally fromgsaid foldable section and having a work piece engaging edge generally7 Yfacing saidfinger-like projection so as to clamp a work piece between said edge and said projection when the foldable section is moved to its closed position.

2. Acne piece fastener, as defined in claim 1, wherein said workpiece engaging edge of the wing-like element extends at an obtuse` angle to the foldable section so that said edge is inclined toward the finger-like projectiony when the foldable-secticnis moved substantially to the closed position.

3. A one ypiece fastener, ,as dened in claim l, wherein said securing means includes a=pair of Wing-like elements, and each of which Wing-like elements includes a Work piece engaging edge facing generally toward said finger-like projection.

4. A one piece fastener, as defined in claim 1, which includes anchor means on said body member and disposed laterally of said foldable section for pivotally securing an end of a tool utilized for moving the foldable section toward said closed position, and raised abutment means on said foldable section for engagement by said tool so that said foldable section may be readily pressed to a fastener securing position substantially in the plane of said body member.

5. A -fastener, as defined in claim 1, which includes said finger-like projection having a ConcaVo-convex transverse cross section, and the convex side of said flnger-like projection facing generally toward said securing means.

6. A one piece fastener for mounting on a work piece, comprising a sheet material body member, projection means struck from said body ber and extending laterally of one side of the body member, body member, said foldable section integrally joining said body member along a bend line and extending from said bend line laterally of a side of the body member opposite said one side and away from said projection means, said body a foldable section struck from said member including an integral intermediate section between and in alignment with said foldable section and said projection means, and winglike means integral with and extending laterally from said foldable section and outwardly of said one side of the body member, said Wing-like means having a work piece engaging surface extending from a point adjacent said bend line and generally facing said projection means so that upon inward movement of the foldable section said surface is moved toward said projection means to clamp the work piece between said surface and said projection means and to draw said intermediate section against said Work piece.

References Cited in the file of this patent UNITED STATES PATENTS